@article{castelluccio_catalano_fichera_migliore_amoroso_2015, 
  title={Standardization of Road Danger Signs in the European Union}, 
  volume={27}, 
  DOI={10.7307/ptt.v27i1.1504}, 
  publisher={Faculty of Transport and Traffic Sciences}, 
  author={Castelluccio and Catalano and Fichera and Migliore and Amoroso}, 
  year={2015}, 
  month={Mar}
  }